Authors: Johnson, JR Colombo, DF Gardner, D Cho, ES Fan-Havard, P Shellhaas, CS

Citation: Jr. Johnson et al., Optimal dosing of penicillin G in the third trimester of pregnancy for prophylaxis against group B Streptococcus, AM J OBST G, 185(4), 2001, pp. 850-853

Authors: Colombo, DF Iams, JD

Citation: Df. Colombo et Jd. Iams, Cervical length and preterm labor, CLIN O GYNE, 43(4), 2000, pp. 735-745